linux-kernel - Re: [PATCH] cgroup: rstat: call cgroup_rstat_updated_list with cgroup_rstat

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Message-ID: <Z-wjegcnvWTEfnnG@slm.duckdns.org>
Date: Tue, 1 Apr 2025 07:33:46 -1000
From: Tejun Heo <tj@...nel.org>
To: Shakeel Butt <shakeel.butt@...ux.dev>
Cc: Johannes Weiner <hannes@...xchg.org>,
	Michal Koutný <mkoutny@...e.com>,
	Yosry Ahmed <yosry.ahmed@...ux.dev>, linux-mm@...ck.org,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
	Meta kernel team <kernel-team@...a.com>,
	Jakub Kicinski <kuba@...nel.org>, Breno Leitao <leitao@...ian.org>,
	Venkat Rao Bagalkote <venkat88@...ux.ibm.com>
Subject: Re: [PATCH] cgroup: rstat: call cgroup_rstat_updated_list with
 cgroup_rstat_lock

On Tue, Apr 01, 2025 at 10:09:12AM -0700, Shakeel Butt wrote:
> The commit 093c8812de2d ("cgroup: rstat: Cleanup flushing functions and
> locking") during cleanup accidentally changed the code to call
> cgroup_rstat_updated_list() without cgroup_rstat_lock which is required.
> Fix it.
> 
> Fixes: 093c8812de2d ("cgroup: rstat: Cleanup flushing functions and locking")
> Reported-by: Jakub Kicinski <kuba@...nel.org>
> Reported-by: Breno Leitao <leitao@...ian.org>
> Reported-by: Venkat Rao Bagalkote <venkat88@...ux.ibm.com>
> Closes: https://lore.kernel.org/all/6564c3d6-9372-4352-9847-1eb3aea07ca4@linux.ibm.com/
> Signed-off-by: Shakeel Butt <shakeel.butt@...ux.dev>

Applied to cgroup/for-6.15-fixes.

Thanks.

-- 
tejun